13278313990

素因数分解:

$2^1\times 5^1\times {\mathrm{5209}}^1\times {\mathrm{254911}}^1$

素因数の和:260127

約数の個数: 16

約数和(自身を含む): 23905647360

約数和(自身を除く): 10627333370

約数列:

[1, 2, 5, 10, 5209, 10418, 26045, 52090, 254911, 509822, 1274555, 2549110, 1327831399, 2655662798, 6639156995, 13278313990]

約数ペア:

[(1, 13278313990), (2, 6639156995), (5, 2655662798), (10, 1327831399), (5209, 2549110), (10418, 1274555), (26045, 509822), (52090, 254911)]